Earlier this week we’ve announced the start of IntelliJ IDEA 14.1 EAP. Among the new features available in the preview build, this one you’re going to especially like: the built-in decompiler (introduced in IntelliJ IDEA 14) now has debugging capabilities.
This means that now you can use breakpoints anywhere in the decompiled code, with almost the same experience that you’d normally have when debugging with actual sources:
With IntelliJ IDEA 14.1 missing library sources is not a problem anymore, well, provided that it comes with the line number attributes.
Develop with Pleasure!